CVE-2021-1984

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-10-20 · updated 2026-06-17
Weakness: CWE-120

Description

Possible buffer overflow due to improper validation of index value while processing the plugin block in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables

Affected products

Qualcomm Apq8017 Firmware: all versions
Qualcomm Apq8053 Firmware: all versions
Qualcomm Apq8064Au Firmware: all versions
Qualcomm Apq8096Au Firmware: all versions
Qualcomm Aqt1000 Firmware: all versions
Qualcomm Msm8917 Firmware: all versions
Qualcomm Msm8953 Firmware: all versions
Qualcomm Msm8996Au Firmware: all versions
Qualcomm Qca6310 Firmware: all versions
Qualcomm Qca6320 Firmware: all versions
Qualcomm Qca6335 Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6420 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6430 Firmware: all versions
Qualcomm Qca6436 Firmware: all versions
Qualcomm Qca6564A Firmware: all versions
Qualcomm Qca6564Au Firmware: all versions
Qualcomm Qca6574A Firmware: all versions
Qualcomm Qca6574Au Firmware: all versions
Qualcomm Qcm2290 Firmware: all versions
Qualcomm Qcm4290 Firmware: all versions
Qualcomm Qcm6125 Firmware: all versions
Qualcomm Qcm6490 Firmware: all versions
Qualcomm Qcs2290 Firmware: all versions
Qualcomm Qcs4290 Firmware: all versions
Qualcomm Qcs603 Firmware: all versions
Qualcomm Qcs605 Firmware: all versions
Qualcomm Qcs610 Firmware: all versions

References

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